Straighterline BIO201L Lab 15 Electrolytes, Water, Acids & Bases

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Access Code (located on the lid of your lab kit):

Pre-Lab Questions:

1.            How can eating a high-salt diet increase bloodpressure?

2.            Research the following disorders and write a definition foreach:

a.            Acidemia:           

b.            Alkalemia:          

c.             Acidosis:             

d.            Alkalosis:            

3.            Name three ways the body regulates the pH of blood.

Experiment 1: Breathing and Acid-Base Balance

Table 1: Color Change of Sodium Bicarbonate Solution With and Without the Addition of CO2

Beaker                                  Starting Color                     Final Color                           Time to Change to Final Color

1                                             

2                             

Post-Lab Questions

1. Was the time required to change the solution different for the two beakers? Why or why not?

Experiment 2: Urine pH

Test Results:

Leukocytes:       

 Nitrate:              

Urobilinogen:                   

Protein:               

pH:        

Blood:  

SpecificGravity:

Ketone

 Bilirubin:                                                            

Glucose

Post-Lab Questions

1.            What was the pH of the urine? Is thisnormal?

2.            Describe two factors that can affect urinepH.